Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f090ae03a98d5f2…

MALICIOUS

PDF

34.1 KB Created: 2019-12-13 16:44:39 +03:00 Authoring application: Adobe InDesign CS4 (6.0.4) (via Adobe PDF Library 9.0)
MD5: 82d196ed3c59d24b199f1f553eb7e175 SHA-1: 8f13c7a31d14805b023315c98654475e50e4c510 SHA-256: 5f090ae03a98d5f23801884cd9f2811f2e4b01f8ef3f1a34a8642f4769f77774
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. These links all point to the same domain, suggesting an attempt to manipulate search engine rankings or distribute content. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8313

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.gorillawalker.com/homogeneous-charge-compression-ignition-hcci-engines-key-research-and-development.pdf
    • http://www.gorillawalker.com/king-of-the-holly-hop-a-milan-jacovich-mystery-14.pdf
    • http://www.gorillawalker.com/report-of-a-workshop-on-the-pedagogical-aspects-of-computational.pdf
    • http://www.gorillawalker.com/he-saved-me-he-found-me-2-kindle-edition.pdf
    • http://www.gorillawalker.com/current-topics-in-animal-learning-brain-emotion-and-cognition.pdf
    • http://www.gorillawalker.com/c-programming-for-beginners-a-simple-start-to-c-programming.pdf
    • http://www.gorillawalker.com/odyssey-illustrated-guide-to-shanghai-odyssey-guides.pdf
    • http://www.gorillawalker.com/the-worship-songbook-volume-2.pdf
    • http://www.gorillawalker.com/the-art-of-being-deaf-a-memoir.pdf
    • http://www.gorillawalker.com/done-by-the-deinonychus-m-f-dinosaur-steamy-romance-dionna.pdf
    • http://www.gorillawalker.com/dendrimers-and-other-dendritic-polymers-wiley-series-in-polymer-science.pdf
    • http://www.gorillawalker.com/the-apostolic-ministry.pdf
    • http://www.gorillawalker.com/ecuador-ecology-nature-protection-laws-and-regulation-handbook-world-law.pdf
    • http://www.gorillawalker.com/the-curse-of-the-shaman.pdf
    • http://www.gorillawalker.com/the-problem-of-race-in-the-twenty-first-century-the.pdf
    • http://www.gorillawalker.com/advanced-topics-in-computational-partial-differential-equations-numerical-methods-and.pdf
    • http://www.gorillawalker.com/young-mathematicians-at-work-constructing-algebra.pdf
    • http://www.gorillawalker.com/healthy-home-cooking-fresh-ways-with-soups-stews.pdf
    • http://www.gorillawalker.com/optimierung-der-lagerbewirtschaftung-in-einer-spitalapotheke-european-university-studies-series.pdf
    • http://www.gorillawalker.com/anatomy-for-artists-being-an-explanation-of-surface-form.pdf
    • http://www.gorillawalker.com/sea-of-suspicion-nancy-drew-files.pdf
    • http://www.gorillawalker.com/logic.pdf
    • http://www.gorillawalker.com/steel-wind-colonel-georg-bruchmuller-and-the-birth-of-modern.pdf
    • http://www.gorillawalker.com/romance-hired-kindle-edition.pdf
    • http://www.gorillawalker.com/by-michelin-michelin-guide-hong-kong-macau-2015-descriptions-for.pdf
    • http://www.gorillawalker.com/trigons-book-volume-1.pdf
    • http://www.gorillawalker.com/directional-drilling-and-deviation-contcontrol-technology.pdf
    • http://www.gorillawalker.com/from-caliphate-to-secular-state-power-struggle-in-the-early.pdf
    • http://www.gorillawalker.com/jumbo-coloring-adventures-nickelodeon-super-jumbo-coloring-book.pdf
    • http://www.gorillawalker.com/secret-places-adventures-in-ink-and-imagination-hobbies-and-craft.pdf
    • http://www.gorillawalker.com/the-new-best-of-jackson-browne-for-guitar-easy-tab.pdf
    • http://www.gorillawalker.com/the-sanford-meisner-approach-workbook-three-tackling-the-text-career.pdf
    • http://www.gorillawalker.com/the-soccer-referee-s-manual.pdf
    • http://www.gorillawalker.com/i-ll-hold-your-hand-so-you-won-t-fall.pdf
    • http://www.gorillawalker.com/environmental-science-student-edition.pdf
    • http://www.gorillawalker.com/allez-viens-student-edition-cd-rom-level-1-2006.pdf
    • http://www.gorillawalker.com/tracks-signs-of-the-birds-of-britain-europe-helm-identification.pdf
    • http://www.gorillawalker.com/people-and-places-nearby-level-b-steck-vaughn-social-studies.pdf
    • http://www.gorillawalker.com/greek-vase-painting-form-figure-and-narrative-treasures-of-the.pdf
    • http://www.gorillawalker.com/pop-life-art-in-a-material-world.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/